Ellagic acid is a natural polyphenol composition which can activate coagulation factor XII to trigger intrinsic coagulation system.

• 鞣花酸是一种天然多酚组分，通过激活XII因子，从而活化内源性凝血系统。用鞣花酸去建立一个稳定的高凝模型将会有十分重要的应用前途。